Basement layout diagram illustrating moisture management strategies for effective waterproofing and humidity control.
Ohio State Waterproofing
365 Highland Road Macedonia, Ohio 44056
Ohio City, OH44056
US Phone: 330-467-1055

Crawl Space Waterproofing & Encapsulation

Crawl Space Vapor and Moisture Barrier with Antimicrobial Additive

Flexi-Seal is a reinforced flexible membrane, the main component used in constructing closed, conditioned or vented crawl spaces.
Flexi-Seal exceeds ASTM E-1745 requirements for a vapor and moisture barrier. Flexi-Seal conforms to all building code requirements for use in crawl space encapsulation.

Ohio State Waterproofing has been providing crawlspace solutions since 1978. We offer all types of foundation repair and waterproofing solutions for smells and dampness, bowing and cracking walls and water issues. Below is our most common way to waterproof and encapsulate your crawlspace.

For more information, please call us at 330-467-1055 or just use this form and we’ll call you!

What is Flexi-Seal and how it helps with waterproofing?

Flexi-Seal is a reinforced flexible membrane, the main component used in constructing closed, conditioned or vented crawlspaces. Flexi-Seal exceeds ASTM E-1745 requirements for a vapor and moisture barrier. Flexi-Seal conforms to all building code requirements for use in crawlspace encapsulation.
Crawlspace encapsulated with Flexi-Seal moisture barrier, featuring a clean, white finish and exposed wooden beams, illustrating waterproofing solutions by Ohio State Waterproofing.
Crawlspace encapsulation with Flexi-Seal membrane installation, showcasing a clean, dry area beneath wooden beams, highlighting moisture protection and foundation improvement.

How Flexi-Seal Works?

Entire basements and crawlspaces can be completely sealed off from external moisture and ground vapor. Flexi-Seal transforms a dark dingy foundation into a clean, dry storage area that can be walked on.

Why use Flexi-Seal for waterproofing?

Crawl space transformation showcasing before and after Flexi-Seal waterproofing installation, highlighting clean, dry encapsulated area with reinforced white membrane.
  • Stops moisture penetration
  • Seals out ground vapors
  • Reinforced heavy duty material
  • Brilliant white finish
  • Tough, durable & tear resistant
  • Lifetime warranty

Flexi-Seal Moisture and Vapor Barrier Installation

Check out the entire Flexi-Seal application process done on this Crawl Space.

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